Trigonometry and Unit Circle

What is sin 45°?

• 1
• ^√3/₂
• ½
• ^√2/₂

Tags

CCSS.HSF.TF.A.2

What is cos 60°?

• ½
• ^√3/₂
• ^√2/₂
• 1

Tags

CCSS.HSF.TF.A.2

What is sin 30°?

• ^√3/₂
• 1
• ½
• ^√2/₂

Tags

CCSS.HSF.TF.A.2

What is tan 45°?

• 1
• ^√2/₂
• ^√3/₂
• ½

Tags

CCSS.HSF.TF.A.2

• 3/4

• 5/3

• 4/5

• ^{Sqt 2/2}

Tags

CCSS.HSG.SRT.C.8

Convert to degrees

• -270 degrees

• -135 degrees

• -130 degrees

• -140 degrees

Tags

CCSS.HSF.TF.A.1

Convert to degrees

• 270 degrees

• 230 degrees

• 185 degrees

• 460 degrees

Tags

CCSS.HSF.TF.A.1

Unit Circle is

• A circle with radius 3

• A triangle that measures 1 cm

• A triangle with radius 1

• A circle with radius 1

Tags

CCSS.HSF.TF.A.2

Solve for x. 

• A.  21.8
• B. 67.4
• C. 23.5
• D. 66.4 

Tags

CCSS.8.G.B.7

Solve for x. 

• A. sin 47^o = 17/x
• B. sin 47^o = x/17 
• C. cos 47^o = 17/x
• D. cos 47^o = x/17

Tags

CCSS.HSG.SRT.C.6